"Regret" is a song recorded by American singer LeToya Luckett, released as the third single taken from her second studio album Lady Love (2009) featuring American rapper Ludacris. It was written by Luckett, Ludacris, Tank, Jerry "Texx" Franklin, Kristina Stephens, and J. Valentine and produced by Tank and Franklin. The song was released on November 11, 2009, through Capitol Records. The Sky High Remix of "Regret" was released digitally on December 18, 2009. It contains a nearly identical instrumental to that of a previous Tank production, "Ghetto" (2007) by Kelly Rowland.

LeToya Nicole Luckett is an American R&B singer and actress. She rose to fame in the late 1990s as a founding member of the R&B girl group Destiny's Child, one of the world's best-selling girl groups of all time. As a member of Destiny's Child, she achieved three US Top 10 hit singles, "No, No, No", "Bills, Bills, Bills", "Say My Name", and won two Grammy Awards. In the 2000s, she began her solo career after leaving the group and signing a record deal with Capitol Records. Her solo debut album, LeToya (2006), debuted at number-one on the U.S. Billboard 200 chart, and was certified platinum by the RIAA, that same year.